Sub-Chapter2005200620072008200920102011
Salt (including table salt)$3,473,490$4,294,513$4,908,727$5,683,069$5,727,981$5,721,715$7,514,624
Unroasted iron pyrites.  $1,317    
Natural graphite.$26,934$13,146$17,126$30,739$18,074$32,566$25,798
Natural sands of all kinds$283,541$275,505$598,926$615,987$1,065,300$1,373,144$2,963,511
Quartz (other than natural sands); quartzite$85,755$150,115$261,318$96,886$150,541$30,032$17,343
Kaolin and other kaolinic clays, whether or not calcined.$401,106$500,634$476,686$602,003$446,353$238,151$79,443
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$1,199,325$1,446,475$1,930,428$1,553,946$1,228,540$3,130,093$2,170,403
Chalk.$30,913$9,711$31,275$59,200$215,179$158,805$47,615
Natural calcium phosphates$538$57$1,776$37,025$55,107$21 
Natural barium sulphate (barytes)$97$15,875$3,357$7,029$8,961$8,905$8,542
Siliceous fossil meals$161,250$130,610$194,571$375,554$332,021$174,481$262,624
Pumice stone; emery; other natural abrasives$12,282$8,127$10,869$3,716$2,004$10,069$15,528
Slate$54,422$106,128$113,344$43,026$11,619$5,186$29,200
Marble, travertine, ecaussine and other stone$1,225$4,348$15,442$20,435$1,439$12,058$5,798
Granite, porphyry, basalt, sandstone and other stone$427,115$407,017$1,921,732$150,038$163,296$46,122$505,663
Pebbles, gravel, broken or crushed stone$9,524,513$13,273,719$15,632,180$17,938,927$16,799,254$19,978,809$22,702,597
Dolomite, whether or not calcined or sintered$318,732$373,468$558,713$455,138$235,744$323,783$386,758
Natural magnesium carbonate (magnesite)$28,144$47,525$39,905$190,132$141,456$112,450$178,348
Gypsum; anhydrite; plasters$2,287,148$3,479,803$4,734,939$4,107,951$1,900,044$2,025,030$2,098,698
Limestone flux; limestone$32,935$24,163$60,595$39,247$18,502$251,958$603,678
Quicklime, slaked lime and hydraulic lime$96,601$204,088$2,848,970$639,627$151,296$138,539$182,028
Portland cement, aluminous cement, slag cement$1,198,195$2,696,518$3,659,003$3,605,824$3,145,704$3,645,953$5,338,211
Asbestos. $52$1,038    
Mica, including splitings; mica waste.$49,641$60,366$74,312$78,355$68,475$52,348$60,475
Natural steatite, whether or not roughly trimmed$113,094$131,137$174,520$163,111$158,415$153,964$194,479
Natural borates and concentrates thereof$4,807 $29    
Felspar; leucite and nepheline syenite$236,337$216,508$431,763$470,705$48,536$402,180$994,010
Mineral substances$258,276$239,610$368,235$486,545$310,072$248,874$817,755
Total$20,306,416$28,109,218$39,071,096$37,454,215$32,403,913$38,275,236$47,203,129